<template>
<div>
    我是xx.vue 
    <button>我是xx里的button</button>

</div>
</template>

<script>
export default {
    name: 'MyTest',
    data() {
        return {
            msg: '这是xx'
        }
    },
}
</script>

<style scoped>
button {
    color: #0f0;
}
</style>